423852234257 has 2 divisors, whose sum is σ = 423852234258. Its totient is φ = 423852234256.

The previous prime is 423852234241. The next prime is 423852234259. The reversal of 423852234257 is 752432258324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326114092096 + 97738142161 = 571064^2 + 312631^2 .

It is a cyclic number.

It is not a de Polignac number, because 423852234257 - 2⁴ = 423852234241 is a prime.

Together with 423852234259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423852234259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211926117128 + 211926117129.

It is an arithmetic number, because the mean of its divisors is an integer number (211926117129).

Almost surely, 2^423852234257 is an apocalyptic number.

It is an amenable number.

423852234257 is a deficient number, since it is larger than the sum of its proper divisors (1).

423852234257 is an equidigital number, since it uses as much as digits as its factorization.

423852234257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 47.

The spelling of 423852234257 in words is "four hundred twenty-three billion, eight hundred fifty-two million, two hundred thirty-four thousand, two hundred fifty-seven".